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What “first-ever Seiko tourbillon” actually means
Seiko’s 2016 announcement introduced the watch, and the company’s heritage page and Credor’s history page place it as the brand’s first tourbillon. The official model name is styled “FUGAKU”; “Fugaku” is the same watch in ordinary spelling.
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Key facts at a glance
| Item | Detail (Seiko, 2016 unless noted) |
|---|---|
| Model | Credor FUGAKU Tourbillon, ref. GBCC999 |
| Edition | 8 pieces |
| Announced / Japan release | March 2016 / May 13, 2016 |
| Launch price | ¥50,000,000 plus tax, recommended retail price in Japan |
| Movement | Caliber 6830, manual winding |
| Case | Platinum 950 with 18K white and yellow gold; 43.1 mm diameter, 8.8 mm thick |
Caliber 6830: the movement
Seiko describes Caliber 6830 as based on its ultra-thin Caliber 68 family. Its published specifications:
- Manually wound, approximately 37 hours of power reserve
- 21,600 vibrations per hour (six beats per second)
- 22 jewels and 153 parts
- Mean daily rate of −10 to +15 seconds
- Depth 3.98 mm and diameter 25.6 mm, per Seiko’s heritage page (no publication year stated)
These are manufacturer figures, not independent test results. Credor’s July 2025 Goldfeather tourbillon release calls Caliber 6850 the successor to Caliber 6830, which gives the movement’s lineage. It does not make the Goldfeather a direct replacement for FUGAKU.
#1 Best Overall
- STAINLESS STEEL CASE built to endure with style, making this watch your perfect daily companion
- AUTOMATIC MOVEMENT for seamless precision in every tick of this watch
- SCRATCH-RESISTANT CRYSTAL to maintain a pristine look even with daily wear and tear on your watch
- LUMINESCENT HANDS for effortless readability in low-light conditions, ensuring you never miss a moment with this watch
- WATER RESISTANT DESIGN ensuring your watch is ready for any adventure, rain or shine
Case, dial and materials
Case and fittings
The case combines platinum 950 with 18K white-gold and 18K yellow-gold elements. It carries 48 blue sapphires totaling 3.22 carats, counting the crown and lugs. Seiko also lists an anti-reflective sapphire crystal, 3 bar water resistance, and magnetic resistance of 4,800 A/m. The strap is crocodile with a platinum 950 three-fold clasp.
Dial and craft
The dial brings together engraved 18K gold, urushi lacquer, mother-of-pearl and yakogai (turban shell). Seiko presents the design as inspired by Edo-period art and Japanese ideals of beauty, and cites metal engraving and Kaga lacquer traditions. It credits three people:
Rank #2
- Case diameter: 43.5mm
- Gold tone second hand
- Water Resistant To 165 Feet
- Power reserve: approximately 41 hours
- 21,600 vibrations per hour
- Satoshi Hiraga: movement making and assembly
- Nobuhiro Kosugi: design
- Isshu Tamura: lacquer work
Price and availability today
The ¥50,000,000 plus tax figure is a 2016 Japanese recommended retail price. It is not a current market value. Nothing established here gives a present dealer listing, auction result or transaction price for a FUGAKU. With only eight made, anyone searching should use the exact reference “Credor FUGAKU GBCC999” and verify authenticity and provenance with a specialist dealer or auction house.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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